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Real-Time Stability and Control Derivative Extraction From F-15 Flight Data

Real-Time Stability and Control Derivative Extraction From F-15 Flight Data PDF Author: Mark S. Smith
Publisher:
ISBN:
Category : Adaptive control systems
Languages : en
Pages : 38

Book Description


Real-Time Stability and Control Derivative Extraction From F-15 Flight Data

Real-Time Stability and Control Derivative Extraction From F-15 Flight Data PDF Author: Mark S. Smith
Publisher:
ISBN:
Category : Adaptive control systems
Languages : en
Pages : 38

Book Description


Real-Time Stability and Control Derivative Extraction from F-15 Flight Data

Real-Time Stability and Control Derivative Extraction from F-15 Flight Data PDF Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781720705260
Category :
Languages : en
Pages : 36

Book Description
A real-time, frequency-domain, equation-error parameter identification (PID) technique was used to estimate stability and control derivatives from flight data. This technique is being studied to support adaptive control system concepts currently being developed by NASA (National Aeronautics and Space Administration), academia, and industry. This report describes the basic real-time algorithm used for this study and implementation issues for onboard usage as part of an indirect-adaptive control system. A confidence measures system for automated evaluation of PID results is discussed. Results calculated using flight data from a modified F-15 aircraft are presented. Test maneuvers included pilot input doublets and automated inputs at several flight conditions. Estimated derivatives are compared to aerodynamic model predictions. Data indicate that the real-time PID used for this study performs well enough to be used for onboard parameter estimation. For suitable test inputs, the parameter estimates converged rapidly to sufficient levels of accuracy. The devised confidence measures used were moderately successful.Smith, Mark S. and Moes, Timothy R. and Morelli, Eugene A.Armstrong Flight Research Center; Langley Research CenterF-15 AIRCRAFT; PARAMETER IDENTIFICATION; REAL TIME OPERATION; STABILITY DERIVATIVES; CONTROL STABILITY; CONTROL SYSTEMS DESIGN; FREQUENCY DOMAIN ANALYSIS; FLIGHT CONDITIONS; INDUSTRIES; NASA PROGRAMS; FOURIER TRANSFORMATION; REGRESSION ANALYSIS; ALGORITHMS; ERROR ANALYSIS; ONBOARD DATA PROCESSING

Flight Stability and Automatic Control

Flight Stability and Automatic Control PDF Author: Robert C. Nelson
Publisher:
ISBN:
Category : History
Languages : en
Pages : 464

Book Description
This edition of this this flight stability and controls guide features an unintimidating math level, full coverage of terminology, and expanded discussions of classical to modern control theory and autopilot designs. Extensive examples, problems, and historical notes, make this concise book a vital addition to the engineer's library.

NASA Technical Note

NASA Technical Note PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 704

Book Description


Airplane Stability and Control

Airplane Stability and Control PDF Author: Malcolm J. Abzug
Publisher: Cambridge University Press
ISBN: 1107320194
Category : Technology & Engineering
Languages : en
Pages : 417

Book Description
From the early machines to today's sophisticated aircraft, stability and control have always been crucial considerations. In this second edition, Abzug and Larrabee again forge through the history of aviation technologies to present an informal history of the personalities and the events, the art and the science of airplane stability and control. The book includes never-before-available impressions of those active in the field, from pre-Wright brothers airplane and glider builders through to contemporary aircraft designers. Arranged thematically, the book deals with early developments, research centers, the effects of power on stability and control, the discovery of inertial coupling, the challenge of stealth aerodynamics, a look toward the future, and much more. It is profusely illustrated with photographs and figures, and includes brief biographies of noted stability and control figures along with a core bibliography. Professionals, students, and aviation enthusiasts alike will appreciate this readable history of airplane stability and control.

Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 548

Book Description


STAR

STAR PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 2216

Book Description


Introduction to Aircraft Flight Mechanics

Introduction to Aircraft Flight Mechanics PDF Author: Thomas R. Yechout
Publisher: AIAA
ISBN: 9781600860782
Category : Aerodynamics
Languages : en
Pages : 666

Book Description
Based on a 15-year successful approach to teaching aircraft flight mechanics at the US Air Force Academy, this text explains the concepts and derivations of equations for aircraft flight mechanics. It covers aircraft performance, static stability, aircraft dynamics stability and feedback control.

Subsonic Stability and Control Derivatives for an Unpowered, Remotely Piloted 3/8 Scale F-15 Airplane Model Obtained from Flight Test

Subsonic Stability and Control Derivatives for an Unpowered, Remotely Piloted 3/8 Scale F-15 Airplane Model Obtained from Flight Test PDF Author: Kenneth W. Iliff
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 40

Book Description


Extraction of Lateral-Directional Stability and Control Derivatives for the Basic F-18 Aircraft at High Angles of Attack

Extraction of Lateral-Directional Stability and Control Derivatives for the Basic F-18 Aircraft at High Angles of Attack PDF Author: Kenneth W. Iliff
Publisher:
ISBN:
Category : Hornet (Jet fighter plane)
Languages : en
Pages : 44

Book Description